Perhaps you should try some spelling variations:
resources development » resource development
social resources » local resources, oil resources, coal resources
strategy states » strategy strategy, strategy systems, strategy series
freie software » free software, bei software, die software
update rate » update rule, update cote, update note

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( freie software development strategy states ) or ( social resources development update rate ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( freie software development strategy states ) OR ( social resources development update rate )).
• Adding a wildcard symbol may retrieve word variants: (( freie software development strategy states ) or ( social resources development update rate ))*.